GB2007447B - Tuning system including a memory for storing tuning information - Google Patents

Tuning system including a memory for storing tuning information

Info

Publication number: GB2007447B
Authority: GB; United Kingdom
Prior art keywords: tuning; memory; system including; storing; information
Prior art date: 1977-10-31
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

GB7841752A

Other languages

English (en)

Other versions

GB2007447A (en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

RCA Corp

Original Assignee

RCA Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1977-10-31

Filing date

1978-10-24

Publication date

1982-02-17

1978-10-24 Application filed by RCA Corp filed Critical RCA Corp

1979-05-16 Publication of GB2007447A publication Critical patent/GB2007447A/en

1982-02-17 Application granted granted Critical

1982-02-17 Publication of GB2007447B publication Critical patent/GB2007447B/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/02—Indicating arrangements
- H03J1/04—Indicating arrangements with optical indicating means
- H03J1/045—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like
- H03J1/047—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's
- H03J1/048—Indication of the tuning band, the bandwidth, tone control, the channel number, the frequency, or the like using electronic means, e.g. LED's with digital indication
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
- H03J5/0263—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter the digital values being held in an auxiliary non erasable memory
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/029—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form with channel skipping capability

Landscapes

Engineering & Computer Science (AREA)
Computer Hardware Design (AREA)
Microelectronics & Electronic Packaging (AREA)
Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Circuits Of Receivers In General (AREA)
Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

GB7841752A 1977-10-31 1978-10-24 Tuning system including a memory for storing tuning information Expired GB2007447B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/847,412 US4164711A (en)	1977-10-31	1977-10-31	Tuning system including a memory for storing tuning information with user controls arranged to facilitate its programming

Publications (2)

Publication Number	Publication Date
GB2007447A GB2007447A (en)	1979-05-16
GB2007447B true GB2007447B (en)	1982-02-17

Family

ID=25300565

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB7841752A Expired GB2007447B (en)	1977-10-31	1978-10-24	Tuning system including a memory for storing tuning information

Country Status (12)

Country	Link
US (1)	US4164711A (de)
JP (1)	JPS5472601A (de)
AU (1)	AU524442B2 (de)
BE (1)	BE871716A (de)
CA (1)	CA1129126A (de)
DE (1)	DE2847349A1 (de)
FR (1)	FR2407629A1 (de)
GB (1)	GB2007447B (de)
IT (1)	IT7828983A0 (de)
MX (1)	MX4873E (de)
NL (1)	NL7810803A (de)
SE (1)	SE7811062L (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4254506A (en) *	1979-05-30	1981-03-03	Rca Corporation	Channel identification apparatus useful in a multiband sweep type tuning system
US4317225A (en) *	1979-05-30	1982-02-23	Rca Corporation	Channel identification apparatus useful in a sweep type tuning system
NZ193794A (en) *	1979-05-30	1984-03-30	Rca Corp	Channel identification in multiband sweep tuning system
US4355415A (en) *	1980-04-29	1982-10-19	Rca Corporation	Tuning mode arrangement useful for restricting channel selection to certain channels
US4361907A (en) *	1980-08-14	1982-11-30	Rca Corporation	Direct access channel selection apparatus for a digital tuning system
US4402089A (en) *	1981-09-16	1983-08-30	Rca Corporation	Television tuning system with electronic frequency adjustment apparatus
US4603438A (en) *	1984-09-28	1986-07-29	Rca Corporation	Tuning system with provisions for skipping nonpreferred tuning positions
JPH01151838A (ja) *	1987-12-09	1989-06-14	Matsushita Electric Ind Co Ltd	チャンネル選局方法
JP2522104B2 (ja) *	1990-09-27	1996-08-07	三菱電機株式会社	Ｒｄｓ受信機
US5574494A (en) *	1994-05-31	1996-11-12	U.S. West Technologies, Inc.	Method for automatically navigating a complex struture at an interactive user station
US6118498A (en) *	1997-09-26	2000-09-12	Sarnoff Corporation	Channel scanning and channel change latency reduction in an ATSC television receiver
WO2005096514A1 (ja) *	2004-03-31	2005-10-13	Pioneer Corporation	デジタル無線通信装置
US10383631B2 (en)	2016-08-04	2019-08-20	Covidien Lp	Variable speed control of powered surgical device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3893049A (en) *	1974-03-25	1975-07-01	Motorola Inc	Electronic tuning system for television receivers
SE7406277L (sv) *	1974-05-10	1975-11-11	Luxor Industri Ab	Programmerbar spenningskella.
JPS5637728B2 (de) *	1974-07-05	1981-09-02
US3968440A (en) *	1974-09-25	1976-07-06	Texas Instruments Incorporated	Solid state television channel selection system
GB1521900A (en) *	1974-09-25	1978-08-16	Texas Instruments Inc	Radio set tuning system
JPS5513616B2 (de) *	1975-02-06	1980-04-10
JPS5826693B2 (ja) *	1975-11-22	1983-06-04	ソニー株式会社	センキヨクソウチ
US4005368A (en) *	1976-01-05	1977-01-25	Zenith Radio Corporation	Memory tuning system with automatic two speed display
US4114104A (en) *	1976-11-15	1978-09-12	E. F. Johnson Company	Channel skip memory system for radio receiver
US4114102A (en) *	1976-12-23	1978-09-12	E. F. Johnson Company	Radio channel skip system

1977
- 1977-10-31 US US05/847,412 patent/US4164711A/en not_active Expired - Lifetime
1978
- 1978-10-17 CA CA313,608A patent/CA1129126A/en not_active Expired
- 1978-10-20 IT IT7828983A patent/IT7828983A0/it unknown
- 1978-10-24 SE SE7811062A patent/SE7811062L/xx unknown
- 1978-10-24 GB GB7841752A patent/GB2007447B/en not_active Expired
- 1978-10-25 AU AU41044/78A patent/AU524442B2/en not_active Expired
- 1978-10-27 JP JP13310678A patent/JPS5472601A/ja active Pending
- 1978-10-27 MX MX78100619U patent/MX4873E/es unknown
- 1978-10-30 NL NL7810803A patent/NL7810803A/xx not_active Application Discontinuation
- 1978-10-30 FR FR7830766A patent/FR2407629A1/fr active Pending
- 1978-10-31 DE DE19782847349 patent/DE2847349A1/de not_active Withdrawn
- 1978-10-31 BE BE191495A patent/BE871716A/xx unknown

Also Published As

Publication number	Publication date
IT7828983A0 (it)	1978-10-20
JPS5472601A (en)	1979-06-11
MX4873E (es)	1982-11-18
FR2407629A1 (fr)	1979-05-25
AU4104478A (en)	1980-05-01
AU524442B2 (en)	1982-09-16
US4164711A (en)	1979-08-14
SE7811062L (sv)	1979-05-01
NL7810803A (nl)	1979-05-02
GB2007447A (en)	1979-05-16
CA1129126A (en)	1982-08-03
BE871716A (fr)	1979-02-15
DE2847349A1 (de)	1979-05-03

Publication	Publication Date	Title
JPS5368922A (en)	1978-06-19	Parallel access memory system
DE3067517D1 (en)	1984-05-24	Memory system comprising a serial storage device
JPS53148928A (en)	1978-12-26	Memory system
JPS53118320A (en)	1978-10-16	Readdonly memory system for microprocessor
JPS57164353A (en)	1982-10-08	Access control system for common memory
JPS5489605A (en)	1979-07-16	Information memory element
GB1544799A (en)	1979-04-25	Optical data storage system
JPS5395005A (en)	1978-08-19	Data memory
JPS5391538A (en)	1978-08-11	Memory access unit
DE2967470D1 (en)	1985-08-01	Memory system for a data processing system
JPS52140233A (en)	1977-11-22	Device for indicating or storing information
GR64302B (en)	1980-03-03	A bulk storage facility
JPS5484437A (en)	1979-07-05	Optical data memory
GB2007447B (en)	1982-02-17	Tuning system including a memory for storing tuning information
JPS54152430A (en)	1979-11-30	Device for reading stored data
JPS53145530A (en)	1978-12-18	Data storage unit
GB2063532B (en)	1984-05-16	Data storage system for a computer
MY8100351A (en)	1981-12-31	A system for providing a clock signal
JPS53126236A (en)	1978-11-04	System for storing and regenerating data
JPS5376814A (en)	1978-07-07	Data memory
JPS55127686A (en)	1980-10-02	Time memory unit
DE3062385D1 (en)	1983-04-28	A read only memory
JPS5342807A (en)	1978-04-18	Data memory
GB2056134B (en)	1982-10-13	Data processing system including a cache store
JPS55140902A (en)	1980-11-04	Storing system for setting data

Legal Events

Date	Code	Title	Description
1984-06-27	PCNP	Patent ceased through non-payment of renewal fee